domains i=integer il=i* predicates del(i,il,il) clauses del(1,_,[]):-!. del(Num,[X|T],[X|T1]):-N=Num-1,del(N,T,T1). goal del(5,[4,11,-5,8,2,3,9,-5,2,10],L).
Standard input is empty
prog.pl:2:1: syntax error: . or operator expected after expression prog.pl:10:1: syntax error: . or operator expected after expression 2 error(s) compilation failed
Standard output is empty